|MadSci Network: Physics|
Jules Verne wrote a story about a scientist lowered to the bottom of a deep ocean trench in a completely self contained steel sphere. This sphere was to be released by a "clockwork mechanism" (brave scientist!). His companions wait anxiously on the surface fearing the worst when a suddenly an object hurtles out of the sea rises into the air and drops back into the ocean.. His companions row over to release the scientist and find him overcome by the heat of his ascent and the rubber! seals of his craft melted. I have long wondered if the cooling effect of sea water wouldn't have countered such heat as a fast rising body might have generated. What's the truth here? Would the sphere reach a maximum speed. Would diminiashing water pressure make a difference. Its intrigued me
Re: Would a bouyant sphere released from ocean depths be heated by frictio
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